fix: 对齐运维页面原型并收口权限边界

- 删除模型大类概览和细分银行概览中原型未包含的过渡跳转按钮，保留卡片点击、筛选、指标趋势和详情入口。

- 移除运维系统配置页中的模型平台新增页面依赖、登录角色来源等内部说明，仅保留实际配置内容。

- 将开发工作台访问控制统一收敛到 dashboard:view，业务团队仅保留运维工作台权限；直接访问开发工作台时自动回到运维工作台。

- 补充架构实现基线、外部写入协议、运维 API 清单、三角色权限验收说明和首条纵向链路联调手册。

- 按当前实现更新架构变更记录和本周目标完成情况。

frontend/app/features/platform/DashboardRoute.tsx

@@ -1,18 +1,24 @@
 import { useEffect } from "react";
-import { useNavigate } from "react-router";
+import { Navigate, useNavigate } from "react-router";
 
-import { useAuth } from "~/context/AuthContext";
+import { useAuth, usePermission } from "~/context/AuthContext";
 import { DashboardPage } from "../admin/DashboardPage";
 import { useScriptWorkspaceStore } from "./state/scriptWorkspaceStore";
 
 export default function DashboardRoute() {
+  const canViewDevelopmentWorkbench = usePermission("dashboard:view");
+  const { currentWorkspace } = useAuth();
   const scripts = useScriptWorkspaceStore((s) => s.scripts);
   const scriptCount = useScriptWorkspaceStore((s) => s.scriptCount);
   const loadScriptCount = useScriptWorkspaceStore((s) => s.loadScriptCount);
   const apiOnline = useScriptWorkspaceStore((s) => s.apiOnline);
-  const workspaceId = useAuth().currentWorkspace?.workspace_id;
+  const workspaceId = currentWorkspace?.workspace_id;
   const navigate = useNavigate();
 
+  if (!canViewDevelopmentWorkbench) {
+    return <Navigate to="/operations" replace />;
+  }
+
   // Reload on workspace switch — DashboardRoute is not keyed by
   // workspace/user (only ScriptsPage is), so without this dep the
   // previous workspace's count would persist.
@@ -31,4 +37,4 @@ export default function DashboardRoute() {
       }}
     />
   );
-}
+}